Web-baseddesignplatformCanvahasacquiredtheAffinitycreativesoftwaresuite,positioningitselfasachallengertoAdobe’sgripoverthedigitaldesignindustry.CanvaannouncedthedealonTuesday,whichgivesthecompanyownershipoverAffinityDesigner,Photo,andPublisher—threepopularcreativeapplicationsforWindows,Mac,andiPadthatprovidesimilarfeaturestoAdobe’sIllustrator,Photo...